Home / 30,506,228.92-45,759,054.10-7,786,812.60

Finding the Fourth Proportional to 30,506,228.92, 45,759,054.10 and 7,786,812.60

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Solution

The fourth proportional to 30,506,228.92, 45,759,054.10 and 7,786,812.60 is: 11,680,145.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,506,228.92 : 45,759,054.10 = 7,786,812.60 : x
  2. Step 2: Convert to fraction form
    30,506,228.92/45,759,054.10 = 7,786,812.60/x
  3. Step 3: Cross multiply
    30,506,228.92x = 45,759,054.10 × 7,786,812.60
  4. Step 4: Simplify right side
    30,506,228.92x = 356,317,179,029,961.62
  5. Step 5: Solve for x
    x = 356,317,179,029,961.62/30,506,228.92
  6. Step 6: Final answer
    x = 11,680,145.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.